National Neighborhood Data Archive (NaNDA): Libraries by Census Tract and ZIP Code Tabulation Area, United States, 1992-2021
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下载链接：
https://www.icpsr.umich.edu/sites/nanda/view/studies/200038/versions/V5.0
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资源简介：
<p class="editor-paragraph" dir="ltr"><span style="white-space: pre-wrap;">The dataset includes measures of the number and density of libraries per United States Census Tract or ZIP Code Tabulation Area (ZCTA) from 1992 to 2021. It comprises four separate files for four different geographic areas (GIS shapefiles from the United States Census Bureau) - Census Tract 2010, Census Tract 2020, ZIP Code Tabulation Area (ZCTA) 2010, and ZIP Code Tabulation Area (ZCTA) 2020. </span></p>
提供机构：
ICPSR - Interuniversity Consortium for Political and Social Research
创建时间：
2026-04-29
